Across
- 4. - The macromolecules of life that include: carbohydrates, lipids, proteins and nucleic acids.
- 7. - process by which organisms maintain a relatively stable internal environment
- 10. - a measure of how much energy we use to maintain basic body functions when our body is at rest
- 14. - Delivers nutrients and oxygen to all cells in the body
- 15. - Contains carbon
Down
- 1. - the chemical processes that occur within a living organism in order to maintain life
- 2. - A very large organic molecule composed of many smaller molecules
- 3. - Proteins that speed up chemical reactions
- 5. - macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus - DNA, RNA
- 6. - Inhalation and exhalation of air; rids the body of wastes of cellular respiration
- 8. - Breakdown of food into simpler forms that can be absorbed into the bloodstream and used by cells
- 9. - macromolecule made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body - simple and complex
- 11. - macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes - unsaturated, saturated and trans fats
- 12. - macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair - amino acids
- 13. - A unit of the energy supplied by food